package Tree;

/**
 * 力扣官网JAVA语言对二叉树数据结构的定义！
 */
public class TreeNode {
    public int val;
    public TreeNode left;
    public TreeNode right;

    TreeNode() {}

    public TreeNode(int val) {this.val = val;}

    TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }

}
